Straightening iron



FIG. 1 is a perspective view of a straightening iron showing a newdesign;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a top view of the lower half thereof; and,

FIG. 7 is a bottom view of the upper half thereof.

The broken lines are for illustrative purposes only and form no part ofthe claimed design.

The two portions of the straightening iron are shown separately forconvenience of illustration.

The ornamental design for a straightening iron, as shown and described.